Great Maju isnt working with King Of Skull servants

YGO Omega Bugs
,
1

  1. Bug description
    [The effect should work as KoS says its original attack is skull servants in the graveyard x1000 and great maju ability is 2x one tributed monsters attack .]

  2. Bug reproduction steps

    [run a deck with vanilla skull servants and add great maju heres an example https://youtu.be/1A6cB_Nv8eI]

    Spoiler

    your replay code

  3. Screenshot OR error code

  4. it should have given great maju 10000 attack
    [Tell us what should have happened when the bug occurred.]

  5. windows
    [Windows-10 / Linux / Android]

2

Great Maju Garzett’s attack is twice the original attack of the card, referencing the atk printed on the card tributed.
https://db.ygoresources.com/card#5768

Also see this ruling as well: Card Database